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203 lines
6.4 KiB
Bash
203 lines
6.4 KiB
Bash
4 years ago
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#!/bin/sh
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# Copyright (c) 2017-2018 Qualcomm Technologies, Inc.
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# All Rights Reserved.
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# Confidential and Proprietary - Qualcomm Technologies, Inc.
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FRONTHAULMGRMON_DEBUG_OUTOUT=0
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# This file assumes the gwmon and wifimon (the appropriate sub-version)
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# have already been sourced.
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. /lib/functions/whc-network.sh
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is_front_haul_VAPs_brought_down=0
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# Config Parameters
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manage_fronthaul_and_backhaul_independently=0
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fronthaul_VAPs_bringdown_time=0
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# Local parameters
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ap_ifaces_24g='' ap_ifaces_5g=''
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# Emit a message at debug level.
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# input: $1 - the message to log
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__repacd_fronthaulmgrmon_debug() {
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local stderr=''
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if [ "$FRONTHAULMGRMON_DEBUG_OUTOUT" -gt 0 ]; then
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stderr='-s'
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fi
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logger $stderr -t repacd.fronthaulmgrmon -p user.debug "$1"
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}
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# Emit a message at info level.
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__repacd_fronthaulmgrmon_info() {
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local stderr=''
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if [ "$BACKHAULMGRMON_DEBUG_OUTOUT" -gt 0 ]; then
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stderr='-s'
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fi
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logger $stderr -t repacd.fronthaulmgrmon -p user.info "$1"
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}
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__repacd_fronthaulmgrmon_get_fronthaul_vaps() {
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local config="$1"
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local network_to_match="$2"
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local network iface disabled mode device hwmode
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config_get network "$config" network
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config_get iface "$config" ifname
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config_get disabled "$config" disabled '0'
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config_get mode "$config" mode
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config_get bssid "$config" bssid
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config_get device "$config" device
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config_get hwmode "$device" hwmode
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if [ "$hwmode" != "11ad" ]; then
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if [ "$network" = "$network_to_match" ] && [ -n "$iface" ] && \
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[ "$mode" = "ap" ] && [ "$disabled" -eq 0 ]; then
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if whc_is_5g_vap "$config"; then
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__repacd_fronthaulmgrmon_debug "5 GHz AP VAP ($iface) found"
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if [ -z "${ap_ifaces_5g}" ]; then
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ap_ifaces_5g="$iface"
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else
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ap_ifaces_5g="$ap_ifaces_5g $iface"
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fi
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else
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__repacd_fronthaulmgrmon_debug "2.4 GHz AP VAP ($iface) found"
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if [ -z "${ap_ifaces_24g}" ]; then
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ap_ifaces_24g="$iface"
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else
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ap_ifaces_24g="$ap_ifaces_24g $iface"
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fi
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fi
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fi
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fi
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}
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# Check whether all of the provided interfaces are up
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#
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# input: $1 - list of AP VAPs to check
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#
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# return 0 if all VAPs are up, otherwise non-zero
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__repacd_fronthaulmgrmon_all_AP_VAPs_up() {
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local ap_ifaces="$1"
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if [ -n "${ap_ifaces}" ]; then
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# Check whether all VAPs are up
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for item in $ap_ifaces
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do
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if ip link show ${item} | grep -q 'state DOWN'; then
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__repacd_fronthaulmgrmon_debug "Fronthaul $item is down; will re-attempt"
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return 1
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fi
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done
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fi
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return 0
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}
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__repacd_fronthaulmgrmon_bringup_AP_VAPs() {
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if [ -z "${ap_ifaces_5g}" ]; then
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__repacd_fronthaulmgrmon_debug "No 5 GHz AP VAPs found"
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else
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# Bring Up all 5G AP VAPs
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for item in $ap_ifaces_5g
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do
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ifconfig "$item" up
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done
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fi
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if [ -z "${ap_ifaces_24g}" ]; then
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__repacd_fronthaulmgrmon_debug "No 2.4 GHz AP VAPs found"
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else
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# Bring Up all 2.4G AP VAPs
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for item in $ap_ifaces_24g
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do
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ifconfig "$item" up
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done
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fi
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}
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__repacd_fronthaulmgrmon_bringdown_AP_VAPs() {
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if [ -z "${ap_ifaces_5g}" ]; then
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__repacd_fronthaulmgrmon_debug "No 5 GHz AP VAPs found"
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else
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# Bring Down all 5G AP VAPs
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for item in $ap_ifaces_5g
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do
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ifconfig "$item" down
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done
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fi
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if [ -z "${ap_ifaces_24g}" ]; then
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__repacd_fronthaulmgrmon_debug "No 2.4 GHz AP VAPs found"
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else
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# Bring Down all 2.4G AP VAPs
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for item in $ap_ifaces_24g
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do
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ifconfig "$item" down
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done
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fi
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}
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# Initialize the fronthaul manager, taking action to bring down the fronthaul
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# VAPs if the feature is enabled and the gateway is not reachable.
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repacd_fronthaulmgrmon_init() {
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local force_down_on_start
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# First resolve the config parameters.
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config_load repacd
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config_get manage_fronthaul_and_backhaul_independently 'FrontHaulMgr' \
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'ManageFrontAndBackHaulsIndependently' '0'
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config_get fronthaul_VAPs_bringdown_time 'FrontHaulMgr' \
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'FrontHaulMgrTimeout' '300'
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config_get force_down_on_start 'FrontHaulMgr' 'ForceDownOnStart' 0
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if [ "$manage_fronthaul_and_backhaul_independently" -gt 0 ]; then
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config_load wireless
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config_foreach __repacd_fronthaulmgrmon_get_fronthaul_vaps wifi-iface "lan"
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__repacd_fronthaulmgrmon_debug "Resolved 2.4 GHz: $ap_ifaces_24g"
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__repacd_fronthaulmgrmon_debug "Resolved 5 GHz: $ap_ifaces_5g"
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if [ "$IS_GW_REACHABLE" -gt 0 ]; then
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__repacd_fronthaulmgrmon_debug "Bringing up Front-haul VAPs"
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__repacd_fronthaulmgrmon_bringup_AP_VAPs
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is_front_haul_VAPs_brought_down=0
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elif [ "$force_down_on_start" -gt 0 ]; then
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__repacd_fronthaulmgrmon_debug "Bringing down fronthaul VAPs on start"
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__repacd_fronthaulmgrmon_bringdown_AP_VAPs
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is_front_haul_VAPs_brought_down=1
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fi
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fi
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}
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# Perform the periodic check to determine whether the fronthual interface
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# states need to be updated or not.
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repacd_fronthaulmgrmon_check() {
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if [ "$manage_fronthaul_and_backhaul_independently" -gt 0 ]; then
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if [ "$IS_GW_REACHABLE" -eq 0 ]; then
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if [ "$is_front_haul_VAPs_brought_down" -eq 0 ]; then
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if __repacd_wifimon_is_timeout "$GW_NOT_REACHABLE_TIMESTAMP" \
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$fronthaul_VAPs_bringdown_time; then
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__repacd_fronthaulmgrmon_debug "Expired $fronthaul_VAPs_bringdown_time sec, Bringing down Front-haul VAPs"
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__repacd_fronthaulmgrmon_bringdown_AP_VAPs
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is_front_haul_VAPs_brought_down=1
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fi
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fi
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else
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if [ "$is_front_haul_VAPs_brought_down" -gt 0 ]; then
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__repacd_fronthaulmgrmon_debug "Bringing up Front-haul VAPs"
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__repacd_fronthaulmgrmon_bringup_AP_VAPs
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if __repacd_fronthaulmgrmon_all_AP_VAPs_up "${ap_ifaces_5g}" &&
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__repacd_fronthaulmgrmon_all_AP_VAPs_up "${ap_ifaces_24g}"; then
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__repacd_fronthaulmgrmon_debug "All Front-haul VAPs are up"
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is_front_haul_VAPs_brought_down=0
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fi
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fi
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fi
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fi
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}
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